domestic and industrial automation
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Phase control relays
There are 39 products.Phase monitoring relays
Phase sequence and phase loss sensors (relays) are designed to protect electric motors powered from a three-phase network. The sequence and phase failure relay detects events that may result in damage to the motor, such as a voltage failure in one or more phases or the occurrence of voltage imbalance between phases. Phase sequence relays also detect incorrect phase sequence of the power supply, thus preventing the motor from rotating in the wrong direction.
Catalog
Three-phase asymmetry and sequence monitors CKF-319 True RMS
CKF-320, 5902431674391
To protect electric motors supplied from a three-phase network in the event of a power failure in at least one phase or voltage unbalance between phases that threatens to destroy the motor and to protect the direction of rotation of the motor in the event of a phase change in front of the sensor.
Phase control relays CZF
CZF, 5908312593010
With the fixed actuation threshold voltage asymmetry.
Three phase monitors serve to protect the three-phase electric motors supplied from three-phase mains, against phase collapse in at least one phase or against phase-to-phase voltage asymmetry, threatening to damage the motor.CKF manual CZF - outline CAD dxf CKF CZF CP declaration CE 2024
Phase control relays CZF TRMS
CZF-TRMS, 5902431673653
With the fixed actuation threshold voltage asymmetry.
Three phase monitors serve to protect the three-phase electric motors supplied from three-phase mains, against phase collapse in at least one phase or against phase-to-phase voltage asymmetry, threatening to damage the motor.
Phase control relays CZF-B
CZF-B, 5908312593041
With the fixed actuation threshold voltage asymmetry.
Three phase monitors serve to protect the three-phase electric motors supplied from three-phase mains, against phase collapse in at least one phase or against phase-to-phase voltage asymmetry, threatening to damage the motor.CZF-B manual CZF-B - outline CAD dxf CKF CZF CP declaration CE 2024 CZF-B Bedienungsanleitung
Phase control relays CZF-B TRMS
CZF-B-TRMS, 5902431673769
With the fixed actuation threshold voltage asymmetry.
Three phase monitors serve to protect the three-phase electric motors supplied from three-phase mains, against phase collapse in at least one phase or against phase-to-phase voltage asymmetry, threatening to damage the motor.
Phase control relays CZF-BS
CZF-BS, 5908312593102
With the fixed actuation threshold voltage asymmetry.
Three phase monitors serve to protect the three-phase electric motors supplied from three-phase mains, against phase collapse in at least one phase or against phase-to-phase voltage asymmetry, threatening to damage the motor.CZF-BS manual CZF-BS - outline CAD dxf CKF CZF CP declaration CE 2024
Phase control relays CZF-BS TRMS
CZF-BS-TRMS, 5902431673783
With the fixed actuation threshold voltage asymmetry.
Three phase monitors serve to protect the three-phase electric motors supplied from three-phase mains, against phase collapse in at least one phase or against phase-to-phase voltage asymmetry, threatening to damage the motor.
Phase control relays CZF-310
CZF-310, 5908312593126
With fixed actuation threshold voltage asymmetry.
Three phase monitors serve to protect the three-phase electric motors supplied from three-phase mains, against phase collapse in at least one phase or against phase-to-phase voltage asymmetry, threatening to damage the motor.CZF-310 manual CZF-310 - outline CAD dxf CKF CZF CP declaration CE 2024
Phase control relays CZF-310 TRMS
CZF-310-TRMS, 5902431673691
With fixed actuation threshold voltage asymmetry.
Three phase monitors serve to protect the three-phase electric motors supplied from three-phase mains, against phase collapse in at least one phase or against phase-to-phase voltage asymmetry, threatening to damage the motor.
Phase control relays CZF-BR
CZF-BR, 5908312593119
With adjustable actuation threshold at voltage asymetry.
Three phase monitors serve to protect the three-phase electric motors supplied from three-phase mains, against phase collapse in at least one phase or against phase-to-phase voltage asymmetry, threatening to damage the motor.CZF-BR manual CZF-BR - outline CAD dxf CKF CZF CP declaration CE 2024
Phase control relays CZF-311
CZF-311, 5908312593133
With adjustable actuation threshold at voltage asymmetry.
Three phase monitors serve to protect the three-phase electric motors supplied from three-phase mains, against phase collapse in at least one phase or against phase-to-phase voltage asymmetry, threatening to damage the motor.CZF-311 manual CZF-311 - outline CAD dxf CKF CZF CP declaration CE 2024
Phase control relays CZF-311 TRMS
CZF-311-TRMS, 5902431673707
With adjustable actuation threshold at voltage asymmetry.
Three phase monitors serve to protect the three-phase electric motors supplied from three-phase mains, against phase collapse in at least one phase or against phase-to-phase voltage asymmetry, threatening to damage the motor.